Group 1 - China Sanjiang Chemical (02198) saw its stock price rise over 5%, reaching a historical high of 4.29 HKD, with a current price of 4.26 HKD and a trading volume of 39.4632 million HKD [1][5] - In the week from January 12 to 18, chemical market prices for certain products significantly increased, with propylene oxide prices rising by 7.9% and organic silicon intermediates also experiencing price increases [1][5] - Huatai Securities' report indicates that the bulk chemical sector is at a dual turning point in capacity and inventory cycles, with expectations of an upward trend as domestic and international demand recovers by 2026 [1][5] Group 2 - China Sanjiang Chemical primarily engages in the production and supply of ethylene oxide, ethylene glycol, polypropylene, and surfactants, among other chemical products [1][5] - The company's main products include ethylene oxide, ethylene glycol, polypropylene (PP), surfactants, water-reducing agents, methyl tert-butyl ether/carbon four (MTBE/C4), and crude butylene, along with providing processing services for polypropylene, MTBE, and surfactants [1][5]